449 



Temminck, Text de PI. Col. ; Blyth, J. A. S. Beng. xvi. p. 995 ; 

 xviii. p. 803 ; Catal. B. Mus. A, S. Beng. p. 43. 



Hydrocissa malayana, Bonap. C. G. Av. p. 90 ; Moore, Catal. 

 Birds Mus. E. I. C. ii. p. 592. 



Buceros anthracinus, Temm. Text, de PI. Col. 529. 



Buceros bicolor, Eyton, P. Z. S. 1839, p. 104; Blyth, J. A. S. 

 Beng. xii. p. 995. 



Buceros elliotti, Hay, Madras Journ. xiii. pt. 2. p. 152. 



Quay Quay, Malays (Eyton). 



Mattee See-Cawan, Malays (Cantor). 



Two female specimens from Province Wellesley, Malacca. 



In the presumed immature male the plumage is wholly glossy- 

 black, excepting a superciliary coronal circle and tips of the four 

 outer tail-feathers, which are white ; the bill and casque are spotless 

 yellowish-white, excepting the base of the former and hindmost part 

 of the latter, which are black ; the casque sloping gradually in front 

 to the curvature of the bill. Length of wing 10^ inches ; of tail 12^ 

 inches, its outer feather 3 inches less ; bill from gape 4| inches, from 

 hindmost part of casque to point of bill, in a straight line, 6 inches, 

 height from chin to top of casque 3 inches. 



Presumed adult female has the superciliary coronal circle repre- 

 sented by obscure silvery-greyish. Length of wing 13| inches; of 

 tail 16 inches; outermost feather 4 inches less; bill from gape 5\- 

 to 6 inches ; length of casque 5 to 5f inches ; height from chin to 

 top of casque 3 to 3-^ inches. 



The casque in this species is allied in shape to that of H. albi- 

 rostris and II. convexa, and is of a totally different form to that of 

 //. nigrirostris. 



The female, according to Dr. Cantor's notes, has the " Iris greyish- 

 brown. Bill yellowish-white or buff. Naked space round the eyes 

 livid. Feet black." 



132. Hydrocissa nigrirostris. 



Buceros nigrirostris, Blyth, J. A. S. Beng. xvi. p. 995 (184 7) ; 

 xviii. p. 803 ; Catal. B. Mus. A. S. Beng. p. 44. 



Hydrocissa nigrirostris, Moore, Catal. Birds Mus. E. I. C. ii. 

 p. 593. 



Buceros malayanus, apud Lord A. Hay, Madras Journ. xiii. pt. 2. 

 p. 151. 



Quay Quay, Malays (Cantor). 

 Male and female obtained at Malacca. 



Plumage in the presumed male glossy-greenish black, including 

 the chin and throat, which, and the underparts, are less glossy ; head 

 adorned with a broad yellowish-white superciliary coronal circle ; 

 tips of the four outer tail-feathers yellowish-white ; space round the 

 eyes and basal angle of lower mandible naked, and in the dry speci- 

 men yellowish. Presumed female as in male, excepting that the 

 superciliary circle is represented by obscure silvery-greyish. Bill 

 and casque blackish, " and in the young," says Mr. Blyth, " white, 



No. 412.— Proceedings of the Zoological Society. 



